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Update 'configuration.nix'

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MK 2023-02-13 21:14:06 +01:00
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commit 1420d66af7
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configuration.nix
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@ -151,67 +151,5 @@ git
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "22.05"; # Did you read the comment?
# code von hier https://github.com/NixOS/nixpkgs/blob/nixos-22.11/nixos/modules/system/boot/tmp.nix :
with lib;
let
cfg = config.boot;
in
{
###### interface
options = {
boot.cleanTmpDir = mkOption {
type = types.bool;
default = true;
description = lib.mdDoc ''
Whether to delete all files in {file}`/tmp` during boot.
'';
};
boot.tmpOnTmpfs = mkOption {
type = types.bool;
default = true;
description = lib.mdDoc ''
Whether to mount a tmpfs on {file}`/tmp` during boot.
'';
};
boot.tmpOnTmpfsSize = mkOption {
type = types.oneOf [ types.str types.types.ints.positive ];
default = "50%";
description = lib.mdDoc ''
Size of tmpfs in percentage.
Percentage is defined by systemd.
'';
};
};
###### implementation
config = {
# When changing remember to update /tmp mount in virtualisation/qemu-vm.nix
systemd.mounts = mkIf cfg.tmpOnTmpfs [
{
what = "tmpfs";
where = "/tmp";
type = "tmpfs";
mountConfig.Options = concatStringsSep "," [ "mode=1777"
"strictatime"
"rw"
"nosuid"
"nodev"
"size=${toString cfg.tmpOnTmpfsSize}" ];
}
];
systemd.tmpfiles.rules = optional config.boot.cleanTmpDir "D! /tmp 1777 root root";
};
}